Display the current phase and current target's ID
<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:Script> private function showInfo(e:MouseEvent):void { trace(e.eventPhase + ":" + e.currentTarget.id); } </mx:Script> <mx:Button id="b1" label="Click Me" click="showInfo(event)" /> </mx:Application>